Population By Race and Ethnicity in Yellowstone County, MT in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 156,658 population of Yellowstone County, Montana comprised of 8,479 people who identified as Hispanic (5.41%), and 148,179 people who identified as Non-Hispanic (94.59%).

Race: The White Alone population was the largest racial group in Yellowstone County, Montana with a population of 142,920 (91.23%); American Indian and Alaska Native Alone population was the second largest racial group with a population of 7,173 (4.58%); and Two Or More Races was the third largest racial group with a population of 4,293 (2.74%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Yellowstone County, Montana in 2015, with a population of 136,391 (87.06%); the second largest ethnic group was White Alone - Hispanic with a population of 6,529 (4.17%); and the third largest ethnic group was American Indian and Alaska Native Alone - Non Hispanic with a population of 5,976 (3.82%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Yellowstone, Montana.

You can find similar information for other Montana counties, and for Montana.

See this for other years:
Hispanics and Non Hispanics in Yellowstone County, MT in 2015
Total Population:
Race in Yellowstone County, MT in 2015
Total Population:
Ethnicity in Yellowstone County, MT in 2015
Total Population:
Population By Race in Yellowstone , MT in 2015
Race Population Percentage
Black or African American Alone 1,069 0.68%
White Alone 142,920 91.23%
American Indian and Alaska Native Alone 7,173 4.58%
Asian Alone 1,076 0.69%
Native Hawaiian And Pacific Islander Alone 127 0.08%
Two Or More Races 4,293 2.74%
Population By Ethnicity in Yellowstone , MT in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 128 0.08%
White Alone - Hispanic 6,529 4.17%
American Indian and Alaska Native Alone - Hispanic 1,197 0.76%
Asian Alone - Hispanic 89 0.06%
Native Hawaiian And Pacific Islander Alone - Hispanic 25 0.02%
Two Or More Races - Hispanic 511 0.33%
Black or African American Alone - Non Hispanic 941 0.6%
White Alone - Non Hispanic 136,391 87.06%
American Indian and Alaska Native Alone - Non Hispanic 5,976 3.82%
Asian Alone - Non Hispanic 987 0.63%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 102 0.07%
Two Or More Races - Non Hispanic 3,782 2.41%